/*
 * Original Author -> Harry Yang (taketoday@foxmail.com) https://taketoday.cn
 * Copyright © TODAY & 2017 - 2021 All Rights Reserved.
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see [http://www.gnu.org/licenses/]
 */

package cn.taketoday.util.comparator;

import java.util.Comparator;

/**
 * Comparator that adapts Comparables to the Comparator interface.
 * Mainly for internal use in other Comparators, when supposed
 * to work on Comparables.
 *
 * @param <T> the type of comparable objects that may be compared by this comparator
 * @author Keith Donald
 * @see Comparable
 * @since 4.0
 */
public class ComparableComparator<T extends Comparable<T>> implements Comparator<T> {

  /**
   * A shared instance of this default comparator.
   *
   * @see Comparators#comparable()
   */
  @SuppressWarnings("rawtypes")
  public static final ComparableComparator INSTANCE = new ComparableComparator();

  @Override
  public int compare(T o1, T o2) {
    return o1.compareTo(o2);
  }

}
